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block: Really silence spurious compiler warnings

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The uninitialized_var() macro appears to not work on structs...
Get rid of it, and manually initialize instead.

Signed-off-by: Kent Overstreet <kmo@daterainc.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Kent Overstreet 2013-12-03 14:29:09 -07:00 committed by Jens Axboe
parent 3f273d301b
commit 2b8221e181
1 changed files with 3 additions and 9 deletions
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12
block/blk-merge.c
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@ -86,11 +86,9 @@ EXPORT_SYMBOL(blk_recount_segments);
static int blk_phys_contig_segment(struct request_queue *q, struct bio *bio, static int blk_phys_contig_segment(struct request_queue *q, struct bio *bio,
struct bio *nxt) struct bio *nxt)
{ {
struct bio_vec end_bv, nxt_bv; struct bio_vec end_bv = { NULL }, nxt_bv;
struct bvec_iter iter; struct bvec_iter iter;
uninitialized_var(end_bv);
if (!blk_queue_cluster(q)) if (!blk_queue_cluster(q))
return 0; return 0;
@ -170,13 +168,11 @@ new_segment:
int blk_rq_map_sg(struct request_queue *q, struct request *rq, int blk_rq_map_sg(struct request_queue *q, struct request *rq,
struct scatterlist *sglist) struct scatterlist *sglist)
{ {
struct bio_vec bvec, bvprv; struct bio_vec bvec, bvprv = { NULL };
struct req_iterator iter; struct req_iterator iter;
struct scatterlist *sg; struct scatterlist *sg;
int nsegs, cluster; int nsegs, cluster;
uninitialized_var(bvprv);
nsegs = 0; nsegs = 0;
cluster = blk_queue_cluster(q); cluster = blk_queue_cluster(q);
@ -234,13 +230,11 @@ EXPORT_SYMBOL(blk_rq_map_sg);
int blk_bio_map_sg(struct request_queue *q, struct bio *bio, int blk_bio_map_sg(struct request_queue *q, struct bio *bio,
struct scatterlist *sglist) struct scatterlist *sglist)
{ {
struct bio_vec bvec, bvprv; struct bio_vec bvec, bvprv = { NULL };
struct scatterlist *sg; struct scatterlist *sg;
int nsegs, cluster; int nsegs, cluster;
struct bvec_iter iter; struct bvec_iter iter;
uninitialized_var(bvprv);
nsegs = 0; nsegs = 0;
cluster = blk_queue_cluster(q); cluster = blk_queue_cluster(q);